*** empty log message ***

[software/libev.git] / ev.c

diff --git a/ev.c b/ev.c
index b852e45f98bf739a563b04a203a415687e5d4043..dedd4f3f94945d98818bd5015b159ca64792509f 100644 (file)
--- a/ev.c
+++ b/ev.c
@@ -128,7 +128,11 @@
 #define PID_HASHSIZE  16 /* size of pid hash table, must be power of two */
 /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */
 
-#include "ev.h"
+#ifdef EV_H
+# include EV_H
+#else
+# include "ev.h"
+#endif
 
 #if __GNUC__ >= 3
 # define expect(expr,value)         __builtin_expect ((expr),(value))
@@ -217,19 +221,24 @@ typedef struct
 
 #if EV_MULTIPLICITY
 
-struct ev_loop
-{
-# define VAR(name,decl) decl;
-# include "ev_vars.h"
-};
-# undef VAR
-# include "ev_wrap.h"
+  struct ev_loop
+  {
+    #define VAR(name,decl) decl;
+      #include "ev_vars.h"
+    #undef VAR
+  };
+  #include "ev_wrap.h"
+
+  struct ev_loop default_loop_struct;
+  static struct ev_loop *default_loop;
 
 #else
 
-# define VAR(name,decl) static decl;
-# include "ev_vars.h"
-# undef VAR
+  #define VAR(name,decl) static decl;
+    #include "ev_vars.h"
+  #undef VAR
+
+  static int default_loop;
 
 #endif
 
@@ -318,19 +327,21 @@ anfds_init (ANFD *base, int count)
     }
 }
 
-static void
-event (EV_P_ W w, int events)
+void
+ev_feed_event (EV_P_ void *w, int revents)
 {
-  if (w->pending)
+  W w_ = (W)w;
+
+  if (w_->pending)
     {
-      pendings [ABSPRI (w)][w->pending - 1].events |= events;
+      pendings [ABSPRI (w_)][w_->pending - 1].events |= revents;
       return;
     }
 
-  w->pending = ++pendingcnt [ABSPRI (w)];
-  array_needsize (ANPENDING, pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], (void));
-  pendings [ABSPRI (w)][w->pending - 1].w      = w;
-  pendings [ABSPRI (w)][w->pending - 1].events = events;
+  w_->pending = ++pendingcnt [ABSPRI (w_)];
+  array_needsize (ANPENDING, pendings [ABSPRI (w_)], pendingmax [ABSPRI (w_)], pendingcnt [ABSPRI (w_)], (void));
+  pendings [ABSPRI (w_)][w_->pending - 1].w      = w_;
+  pendings [ABSPRI (w_)][w_->pending - 1].events = revents;
 }
 
 static void
@@ -339,24 +350,30 @@ queue_events (EV_P_ W *events, int eventcnt, int type)
   int i;
 
   for (i = 0; i < eventcnt; ++i)
-    event (EV_A_ events [i], type);
+    ev_feed_event (EV_A_ events [i], type);
 }
 
-static void
-fd_event (EV_P_ int fd, int events)
+inline void
+fd_event (EV_P_ int fd, int revents)
 {
   ANFD *anfd = anfds + fd;
   struct ev_io *w;
 
   for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next)
     {
-      int ev = w->events & events;
+      int ev = w->events & revents;
 
       if (ev)
-        event (EV_A_ (W)w, ev);
+        ev_feed_event (EV_A_ (W)w, ev);
     }
 }
 
+void
+ev_feed_fd_event (EV_P_ int fd, int revents)
+{
+  fd_event (EV_A_ fd, revents);
+}
+
 /*****************************************************************************/
 
 static void
@@ -405,7 +422,7 @@ fd_kill (EV_P_ int fd)
   while ((w = (struct ev_io *)anfds [fd].head))
     {
       ev_io_stop (EV_A_ w);
-      event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
+      ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
     }
 }
 
@@ -552,10 +569,29 @@ sighandler (int signum)
     }
 }
 
+void
+ev_feed_signal_event (EV_P_ int signum)
+{
+  WL w;
+
+#if EV_MULTIPLICITY
+  assert (("feeding signal events is only supported in the default loop", loop == default_loop));
+#endif
+
+  --signum;
+
+  if (signum < 0 || signum >= signalmax)
+    return;
+
+  signals [signum].gotsig = 0;
+
+  for (w = signals [signum].head; w; w = w->next)
+    ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
+}
+
 static void
 sigcb (EV_P_ struct ev_io *iow, int revents)
 {
-  WL w;
   int signum;
 
 #ifdef WIN32
@@ -567,12 +603,7 @@ sigcb (EV_P_ struct ev_io *iow, int revents)
 
   for (signum = signalmax; signum--; )
     if (signals [signum].gotsig)
-      {
-        signals [signum].gotsig = 0;
-
-        for (w = signals [signum].head; w; w = w->next)
-          event (EV_A_ (W)w, EV_SIGNAL);
-      }
+      ev_feed_signal_event (EV_A_ signum + 1);
 }
 
 static void
@@ -615,7 +646,7 @@ child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status)
         ev_priority (w) = ev_priority (sw); /* need to do it *now* */
         w->rpid         = pid;
         w->rstatus      = status;
-        event (EV_A_ (W)w, EV_CHILD);
+        ev_feed_event (EV_A_ (W)w, EV_CHILD);
       }
 }
 
@@ -627,7 +658,7 @@ childcb (EV_P_ struct ev_signal *sw, int revents)
   if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED)))
     {
       /* make sure we are called again until all childs have been reaped */
-      event (EV_A_ (W)sw, EV_SIGNAL);
+      ev_feed_event (EV_A_ (W)sw, EV_SIGNAL);
 
       child_reap (EV_A_ sw, pid, pid, status);
       child_reap (EV_A_ sw,   0, pid, status); /* this might trigger a watcher twice, but event catches that */
@@ -822,13 +853,8 @@ ev_loop_fork (EV_P)
 #endif
 
 #if EV_MULTIPLICITY
-struct ev_loop default_loop_struct;
-static struct ev_loop *default_loop;
-
 struct ev_loop *
 #else
-static int default_loop;
-
 int
 #endif
 ev_default_loop (int methods)
@@ -924,7 +950,7 @@ call_pending (EV_P)
         if (p->w)
           {
             p->w->pending = 0;
-            p->w->cb (EV_A_ p->w, p->events);
+            EV_CB_INVOKE (p->w, p->events);
           }
       }
 }
@@ -948,7 +974,7 @@ timers_reify (EV_P)
       else
         ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */
 
-      event (EV_A_ (W)w, EV_TIMEOUT);
+      ev_feed_event (EV_A_ (W)w, EV_TIMEOUT);
     }
 }
 
@@ -978,7 +1004,7 @@ periodics_reify (EV_P)
       else
         ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
 
-      event (EV_A_ (W)w, EV_PERIODIC);
+      ev_feed_event (EV_A_ (W)w, EV_PERIODIC);
     }
 }